Default Xperia Z non stop reboot in recovery mode

Hey guys!

I bought a new xperia Z and yesterday want to install alphanumeric keyboard mod.
I unlock boatloader, install cmw recovery, install keyboard mod and then, when i reboot xperia z he only boot permanently in recovery mod.
When i do "erase cache" gives me a error "FAILED remote: Command not allowed".
I can plug xperia Z in fastboot.

I need help.

Thank you very much and sorry my english.

Best regards